Subscribe to Naked Science - http:goo.glwpc2Q1Every other Wednesday we present a new video, so join us to see the truth laid bare...For 400 million years, sharks have dominated the Earth's oceans. They have survived 5 planetary mass extinctions to become the top predators of the sea, honed to an evolutionary perfection. But what shark species is the most deadly? And where in the world is it least safe to venture in to the water? Naked Science travelled across the world from Australia to California to find out.

It's the ultimate battle of the predators - the monster snake's unbelievable power against the tyrannosaurus' giant bite. They lived in different times and places, but if they ever met, who would win?See how you measure up. Play the Titanoboa: Monster Snake Game: http:ow.lydFrU2From the Show: Titanoboa: Monster Snake http:bit.ly2kNBmX9

How does a mongoose stand up to a cobra? You might be surprised at the outcome.
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